题目内容
（请给出正确答案）
Pollution in water is noticed ______.
A．when poisons are poured into water
B．when a great many fish and birds die
C．when the first organisms are affected
D．as soon as the balance of nature is destroyed
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更多“Pollution in water is noticed …”相关的问题
M: Could you elaborate on that, Mr. Hopkins？
Q: Where does this conversation probably take place？
(14)
A．In a conference room.
B．In a factory.
C．On board a ship.
D．In a hospital.
The world is in a self-destruction mode. By this statement I
mean that the people of the world are bent on making this planet
inhabitable in three distinct ways. Furthermore, these three ways are 【M1】______
all interrelated and related directly to industrialization.
The first of three is through pollution 【M2】______
of the air, the water, and the soil. Industrialization has meant toxic【M3】______
fumes in the atmosphere and poisonous substances in the water and
in the soil. Industry has also been responsible to noise and visual
pollution: the roar of machinery and the ugliness of factories and
cheap housing developments... these factors take the joy outside of【M4】______
natural surroundings for human beings.
However, the balance of nature has been upset. To feed the 【M5】______
hungry factories, huge forests have been leveled, mountains have
stripped of their protection... The results are farther-reaching【M6】______
as we can know. 【M7】______
The third and the most acute of the problem is the psychological【M8】______
effect on people of increased competition and hard economic times.
The reasons that people give for political unrest might be reasons of
belief or religion, but I believe that it is the desire of people to
improve their standard of life that ultimately causes wars. Because of【M9】______
the industrialization, much of the beauty and the simplicity of life is
away. 【M10】______
【M1】
A、water pollution
B、air pollution
C、land pollution
D、light pollution
A．Lack of oxygen.
B．Overgrowth of water plants.
C．Low water level.
D．Serious pollution upstream.
A．to alert the reader to the dwindling water supply
B．to explain industrial uses of water
C．to acquaint the reader with water pollution problem
D．to demonstrate various measures to solve the pollution problem
______ scientists have observed increased pollution in the water supply.
A．Late
B．Later
C．Latter
D．Lately
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